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2 years ago

30 POINTS WILL GIVE BRAINLIEST

Mathematics

1 answer:

bonufazy [111]2 years ago

6 0

12—— IT IS C ———————— thank me…!!!! Laterrrr!!!!

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Simplify: 4w(to the power of 9)+(-2w(to the power of 9)) enter the original expression if it cannot be simplified

igomit [66]

4w⁹ -2w⁹
= (4-2)w⁹ . . . . . distributive property, or "collecting terms"
= 2w⁹

_____
In plain text, a caret (^) is used to identify an exponent. w⁹ = w^9. If the exponent has any arithmetic, you need parentheses around it. w^(8+1)

6 0

2 years ago

If a square has a perimeter of 36 in. what is the Circumstances of the circle?given the exact answer in terms of pi.

vfiekz [6]

Answer:

a)B)9π

b)G)16π in²

Step-by-step explanation:

according to the question

$64 \times \frac{\pi}{4}$

$16\pi \: {in}^{2}$

as we know

C/d=π

C=dπ

Therefore

C=9π

6 0

2 years ago

14b=a then what is a

Varvara68 [4.7K]

$14b=a|\div14\\
b=\dfrac{a}{14}$

8 0

3 years ago

Consider an object moving along a line with the given velocity v. Assume t is time measured in seconds and velocities have units

Yakvenalex [24]

Answer:

a) positive direction: t < 2s & t>6s ; negative direction: 2s < t < 6s

b) 7 m

c) 71 m

Step-by-step explanation:

Given:

v(t) = 3t^2 -24t +36 [0 , 7]

Find:

a) The value of time when particle is moving in positive direction:

The change in direction of the particle can be determined by v(t) > 0

Hence,

0 < 3t^2 -24t +36

0 < t^2 - 8t + 12

0 < (t - 2)*(t - 6)

t < 2s , t > 6s

The particle travels in positive direction in the interval t < 2s and t > 6s , While it travels in negative direction when 2s < t < 6s.

b) The displacement ds over the given interval [ 0 , 7 ]

ds = integral (v(t)).dt

ds = t^3 -12t^2 +36t

ds = 7^3 -12*7^2 +36*7

ds = 7 m

c) Total distance traveled in the interval:

Total distance= ds(0-2) + ds(2-6) + ds(6-7)

D = 2*(2^3 -12*2^2 +36*2) - 2*(6^3 -12*6^2 +36*6) + 7

D = 2*32 - 2*0 + 7

D = 71 m

6 0

2 years ago

What is the area of ΔABC? Round to the nearest tenth of a square unit.

kramer

Answer:
8.4 square units

Explanation:
The area of the triangle can be calculated using two sides and an included angle as follows:
area = 0.5 * 1st side * 2nd side * sin(angle included between them)
............> This is shown in the attached image

In the given triangle, we have:
the two sides 2*√2 and 6 units
the angle included between them is 80°

Therefore, we can apply the above rule to get the area as follows:
area = 0.5 * 2√2 *6* sin(80°)
area = 8.35 which is approximately 8.4 square units

Hope this helps :)

4 0

3 years ago

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